Pennsylvania
United States
34
Adams County
Pennsylvania
AQI 36
Allegheny County
Pennsylvania
AQI 36
Armstrong County
Pennsylvania
AQI 25
Beaver County
Pennsylvania
AQI 32
Bedford County
Pennsylvania
AQI 24
Berks County
Pennsylvania
AQI 40
Blair County
Pennsylvania
AQI 27
Bradford County
Pennsylvania
AQI 27
Bucks County
Pennsylvania
AQI 47
Butler County
Pennsylvania
AQI 30
Cambria County
Pennsylvania
AQI 24
Cameron County
Pennsylvania
AQI 22
Carbon County
Pennsylvania
AQI 38
Centre County
Pennsylvania
AQI 31
Chester County
Pennsylvania
AQI 62
Clarion County
Pennsylvania
AQI 25
Clearfield County
Pennsylvania
AQI 27
Clinton County
Pennsylvania
AQI 33
Columbia County
Pennsylvania
AQI 32
Crawford County
Pennsylvania
AQI 10
Cumberland County
Pennsylvania
AQI 50
Dauphin County
Pennsylvania
AQI 55
Delaware County
Pennsylvania
AQI 34
Elk County
Pennsylvania
AQI 16
Erie County
Pennsylvania
AQI 61
Fayette County
Pennsylvania
AQI 18
Forest County
Pennsylvania
AQI 16
Franklin County
Pennsylvania
AQI 30
Fulton County
Pennsylvania
AQI 20
Greene County
Pennsylvania
AQI 23
Huntingdon County
Pennsylvania
AQI 29
Indiana County
Pennsylvania
AQI 21
Jefferson County
Pennsylvania
AQI 22
Juniata County
Pennsylvania
AQI 23
Lackawanna County
Pennsylvania
AQI 41
Lancaster County
Pennsylvania
AQI 60
Lawrence County
Pennsylvania
AQI 34
Lebanon County
Pennsylvania
AQI 53
Lehigh County
Pennsylvania
AQI 38
Luzerne County
Pennsylvania
AQI 38
Lycoming County
Pennsylvania
AQI 33
McKean County
Pennsylvania
AQI 16
Mercer County
Pennsylvania
AQI 28
Mifflin County
Pennsylvania
AQI 30
Monroe County
Pennsylvania
AQI 27
Montgomery County
Pennsylvania
AQI 58
Montour County
Pennsylvania
AQI 32
Northampton County
Pennsylvania
AQI 30
Northumberland County
Pennsylvania
AQI 26
Perry County
Pennsylvania
AQI 47
Philadelphia County
Pennsylvania
AQI 40
Pike County
Pennsylvania
AQI 27
Potter County
Pennsylvania
AQI 29
Schuylkill County
Pennsylvania
AQI 49
Snyder County
Pennsylvania
AQI 23
Somerset County
Pennsylvania
AQI 24
Sullivan County
Pennsylvania
AQI 28
Susquehanna County
Pennsylvania
AQI 25
Tioga County
Pennsylvania
AQI 20
Union County
Pennsylvania
AQI 23
Venango County
Pennsylvania
AQI 12
Warren County
Pennsylvania
AQI 16
Washington County
Pennsylvania
AQI 26
Wayne County
Pennsylvania
AQI 37
Westmoreland County
Pennsylvania
AQI 22
Wyoming County
Pennsylvania
AQI 25
York County
Pennsylvania
AQI 51
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